…erties

…g in ComponentSublistWrapper

…ionSetting references

…er null handling in GameSetting

…handling

…g Objects.requireNonNullElse

… replace boolean array with Holder

…tings

…ter state management

…ability handling and simplify choice list management

…verter logic

…eger text field binding by removing nullable parameter

… by replacing javafx.beans.property.SimpleObjectProperty with a direct instantiation

…idth and height properties

…idth and height properties

… currentSetting property

…up unused import in JsonUtils

…dCommonDirectory logic

…n logic

…ted logic

…update related logic

…a handling

…roxyType to stable names

…ate related logic

…stead of global and current directories

…lobal directory

…ed logic

…dentifier methods

…ved error handling

…dability

…nd introduce ItemWrapper for better structure